Relief map or mapping may refer to raised relief map that is a three-dimensional representation of a terrain. This is a seamless relief map texture that you can download for free. You can easily create a 3D map in Photoshop using this seamless map texture.

If you want to make a three-dimensional terrain you can use this free relief map texture background.
You can also create a map text in Photoshop using this free texture. All you need is a Clipping Mask and a water texture to create a cool text effect.